package xyz.scootaloo.draft;

import java.util.ArrayList;

/**
 * @author flutterdash@qq.com
 * @since 2021/3/22 21:47
 */
public class Case0 {

    public static void main(String[] args) {
        ArrayList<Integer> list = new ArrayList<>();
        list.add(1);
        list.set(1, 2);
        System.out.println(list);
    }

}
